Home / 154,559,640.20-231,839,460.30-109,210,008.20

Finding the Fourth Proportional to 154,559,640.20, 231,839,460.30 and 109,210,008.20

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Solution

The fourth proportional to 154,559,640.20, 231,839,460.30 and 109,210,008.20 is: 163,815,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,559,640.20 : 231,839,460.30 = 109,210,008.20 : x
  2. Step 2: Convert to fraction form
    154,559,640.20/231,839,460.30 = 109,210,008.20/x
  3. Step 3: Cross multiply
    154,559,640.20x = 231,839,460.30 × 109,210,008.20
  4. Step 4: Simplify right side
    154,559,640.20x = 25,319,189,360,446,576
  5. Step 5: Solve for x
    x = 25,319,189,360,446,576/154,559,640.20
  6. Step 6: Final answer
    x = 163,815,012.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.